CN103947115B - 基于振荡器的锁频环 - Google Patents

基于振荡器的锁频环 Download PDF

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Publication number
CN103947115B
CN103947115B CN201280054976.6A CN201280054976A CN103947115B CN 103947115 B CN103947115 B CN 103947115B CN 201280054976 A CN201280054976 A CN 201280054976A CN 103947115 B CN103947115 B CN 103947115B
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CN
China
Prior art keywords
digital control
control type
clock
type oscillator
cycle
Prior art date
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Application number
CN201280054976.6A
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English (en)
Chinese (zh)
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CN103947115A (zh
Inventor
马丁·圣劳伦特
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Qualcomm Inc
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Qualcomm Inc
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Publication of CN103947115A publication Critical patent/CN103947115A/zh
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/10—Distribution of clock signals, e.g. skew
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Manipulation Of Pulses (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
CN201280054976.6A 2011-11-08 2012-11-07 基于振荡器的锁频环 Active CN103947115B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/291,206 2011-11-08
US13/291,206 US8994458B2 (en) 2011-11-08 2011-11-08 Oscillator based frequency locked loop
PCT/US2012/063967 WO2013070783A2 (en) 2011-11-08 2012-11-07 Oscillator based frequency locked loop

Publications (2)

Publication Number Publication Date
CN103947115A CN103947115A (zh) 2014-07-23
CN103947115B true CN103947115B (zh) 2018-04-17

Family

ID=47326319

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280054976.6A Active CN103947115B (zh) 2011-11-08 2012-11-07 基于振荡器的锁频环

Country Status (8)

Country Link
US (1) US8994458B2 (ja)
EP (1) EP2777156B1 (ja)
JP (2) JP5917709B2 (ja)
KR (1) KR101567928B1 (ja)
CN (1) CN103947115B (ja)
CY (1) CY1116856T1 (ja)
IN (1) IN2014CN03165A (ja)
WO (1) WO2013070783A2 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8994458B2 (en) * 2011-11-08 2015-03-31 Qualcomm Incorporated Oscillator based frequency locked loop
US9548747B2 (en) 2015-05-15 2017-01-17 Intel Corporation Glitch-free digitally controlled oscillator code update
US10050634B1 (en) * 2017-02-10 2018-08-14 Apple Inc. Quantization noise cancellation for fractional-N phased-locked loop
TWI656742B (zh) * 2018-07-31 2019-04-11 慧榮科技股份有限公司 振盪器裝置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1237038A (zh) * 1998-04-25 1999-12-01 普诚科技股份有限公司 振荡器内建于集成电路内的频率调整方法与装置
CN1431779A (zh) * 2002-01-10 2003-07-23 富士通株式会社 振荡器电路及其控制方法和配备有该电路的器件和存储器件
CN1540464A (zh) * 2003-10-31 2004-10-27 ��ʢ���ӹɷ����޹�˾ 电子装置的省电控制电路及其省电方法
TWI260856B (en) * 2001-04-05 2006-08-21 Ibm Digitally controlled oscillator with recovery from sleep mode
CN101295369A (zh) * 2007-04-26 2008-10-29 株式会社半导体能源研究所 半导体装置及其驱动方法
CN102130667A (zh) * 2011-01-18 2011-07-20 浙江大学 一种数字真随机振荡信号发生器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124333A (ja) * 1982-01-20 1983-07-23 Hitachi Ltd 発振装置
JP2953821B2 (ja) * 1991-06-24 1999-09-27 日本電気アイシーマイコンシステム株式会社 リングオシレータ回路
US5805909A (en) 1995-08-03 1998-09-08 Texas Instruments Incorporated Microprocessors or microcontroller utilizing FLL clock having a reduced power state
US5900757A (en) 1996-05-01 1999-05-04 Sun Microsystems, Inc. Clock stopping schemes for data buffer
JP3633374B2 (ja) * 1999-06-16 2005-03-30 株式会社デンソー クロック制御回路
US6625559B1 (en) 2000-05-01 2003-09-23 Hewlett-Packard Development Company, L.P. System and method for maintaining lock of a phase locked loop feedback during clock halt
ITMI20050138A1 (it) 2005-01-31 2006-08-01 St Microelectronics Srl Metodo e sistema fll-pll frequency lock loop-phase lock loop completamente digitale a brevissimo tempo di bloccaggio
US7605666B2 (en) * 2007-08-22 2009-10-20 Chris Karabatsos High frequency digital oscillator-on-demand with synchronization
JP4618642B2 (ja) * 2005-05-17 2011-01-26 ルネサスエレクトロニクス株式会社 半導体集積回路装置
US7705687B1 (en) * 2006-12-21 2010-04-27 Marvell International, Ltd. Digital ring oscillator
US7746178B1 (en) 2007-12-21 2010-06-29 Rf Micro Devices, Inc. Digital offset phase-locked loop
JP5290589B2 (ja) * 2008-02-06 2013-09-18 ルネサスエレクトロニクス株式会社 半導体集積回路
US7764132B2 (en) 2008-07-30 2010-07-27 International Business Machines Corporation All digital frequency-locked loop circuit method for clock generation in multicore microprocessor systems
US8471614B2 (en) * 2011-06-14 2013-06-25 Globalfoundries Singapore Pte. Ltd. Digital phase locked loop system and method
US8994458B2 (en) * 2011-11-08 2015-03-31 Qualcomm Incorporated Oscillator based frequency locked loop

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1237038A (zh) * 1998-04-25 1999-12-01 普诚科技股份有限公司 振荡器内建于集成电路内的频率调整方法与装置
TWI260856B (en) * 2001-04-05 2006-08-21 Ibm Digitally controlled oscillator with recovery from sleep mode
CN1431779A (zh) * 2002-01-10 2003-07-23 富士通株式会社 振荡器电路及其控制方法和配备有该电路的器件和存储器件
CN1540464A (zh) * 2003-10-31 2004-10-27 ��ʢ���ӹɷ����޹�˾ 电子装置的省电控制电路及其省电方法
CN101295369A (zh) * 2007-04-26 2008-10-29 株式会社半导体能源研究所 半导体装置及其驱动方法
CN102130667A (zh) * 2011-01-18 2011-07-20 浙江大学 一种数字真随机振荡信号发生器

Also Published As

Publication number Publication date
JP2016158275A (ja) 2016-09-01
CY1116856T1 (el) 2017-04-05
US20130113530A1 (en) 2013-05-09
WO2013070783A2 (en) 2013-05-16
US8994458B2 (en) 2015-03-31
EP2777156B1 (en) 2015-08-05
EP2777156A2 (en) 2014-09-17
KR101567928B1 (ko) 2015-11-10
JP2015502700A (ja) 2015-01-22
JP6438429B2 (ja) 2018-12-12
CN103947115A (zh) 2014-07-23
IN2014CN03165A (ja) 2015-07-31
KR20140100509A (ko) 2014-08-14
JP5917709B2 (ja) 2016-05-18
WO2013070783A3 (en) 2013-11-28

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